Network gear maker Riverbed Technology will buy OpnetTechnologies Inc, which makes software to managetraffic on networks, for about $1 billion to gain an edge overrivals that have all been hurt by weak tech spending.

** NAVISTAR INTERNATIONAL CORP, $19.17, up 3.5 pct(1013 ET)

The U.S. truck and engine maker said it will close itsmanufacturing plant in Garland, Texas and cut 900 jobs to reducecosts.

** LOCKHEED MARTIN CORP, $94.36, up 1.6 pct (1014ET)

Lockheed said on Tuesday that it was making progress onresolving technical issues facing the cutting-edge helmet beingdeveloped for use by F-35 fighter pilots, and it cited positiveinitial reports from night flight tests of the system.

The exit of Apple's longtime mobile software products chiefmay be a surprise, but a band of able executives led by Tim Cookand a bigger role for design boss Jonathan Ive meant the companywas in good hands, analysts said on Tuesday.

Biocryst Pharmaceuticals said it would withdraw anapplication to test its experimental hepatitis C drug in humansafter the U.S. Food and Drug Administration expressed concernabout its safety.

** ALLERGAN INC, $89.27, down 2.5 pct (1027 ET)

Allergan said it was exploring a sale of its obesitybusiness on falling sales of the only product in the unit.

** JDA SOFTWARE GROUP INC, $37.95, up 11.8 pct(1027 ET)

The enterprise technology maker JDA Software Group isexploring a sale and has hired JPMorgan Chase & Co toadvise on the process, people familiar with the matter said.

** DIGITALGLOBE INC, $24.50, up 4.3 pct (1028 ET)

DigitalGlobe posted better-than-expected quarterly resultsand raised its full-year sales forecast for the third time thisyear on increased sales of its satellite images to businessesand U.S. intelligence agencies.

** SEALED AIR CORP, $16.27, up 2.7 pct (1028 ET)

** CARLYLE GROUP LP, $25.68, down 0.5 pct (1029 ET)

Carlyle Group said it will buy a Japanese unit of U.S. foodpackaging company Sealed Air at an undisclosed price, in theprivate equity firm's second Japanese acquisition in a month.

** SCHIFF NUTRITION INTERNATIONAL, $33.82, up 45.8pct (1029 ET)

Germany's Bayer is to buy U.S. vitamins makerSchiff Nutrition for an agreed $1.2 billion as it seeks stablesources of growth to complement its more volatile prescriptiondrugs business.

** COMMUNITY HEALTH SYSTEMS INC, $27.20, up 1.5 pct(1030 ET)

The company reported third-quarter profit that exceededanalysts' estimates, but it trimmed its full-year profitforecast.

** TRW AUTOMOTIVE HOLDINGS CORP, $46.68, up 5.2 pct(1031 ET)

The company reported a higher quarterly profit, helped byrising demand for its safety products and improved vehicleproduction volumes in North America.

** NYSE EURONEXT, $24.16, up 3.2 pct (1031 ET)

NYSE said it plans to test a new contingency plan to helpresume stalled U.S. equity trading, and added that its famedtrading floor is not yet damaged by Sandy, one of the biggeststorms to hit the United States.

** GARDNER DENVER INC, $68.79, up 2.4 pct (1032 ET)

The industrial pump and compressor maker, which has putitself up for sale, raised its full-year profit forecast afterreporting a better-than-expected quarterly profit.